On Sun, Apr 29, 2018 at 10:10 AM, Justin Pryzby <pry...@telsasoft.com> wrote:
> On Sun, Apr 29, 2018 at 10:05:23AM +0530, Kaushal Shriyan wrote: > > Hi, > > > > I am running postgresql db server 9.4.14 on AWS of C4.2xlarge instance > type > > with 500 GB volume of volume type io1 with 25000 IOPS and I am seeing > > performance issues. The sql query response takes around *127713.413 ms > *time > > *.* Is there a way to find out the bottleneck? > > Send the output of "explain(analyze,buffers)" for the query? > > Justin > Hi Justin, Do i need to run the below sql query? Please comment. explain(analyze,buffers) SELECT serorgid,appname,sum(message_count) AS > mtrc0,date_trunc('day', client_received_start_timestamp at time zone > '+5:30:0')::timestamp without time zone AS time_unit FROM > analytics."test.prod.fact" WHERE client_received_start_timestamp >= > '2018-3-28 18:30:0' AND client_received_start_timestamp < '2018-4-11 > 18:30:0' AND ((apiproxy in ('test-service' ) ) and (exchangeinstance != > '(not set)' ) and (devemail != 't...@example.com' ) and (devemail != ' > s...@example.com' ) and (devemail != 'a...@example.com' ) and (devemail > != 'x...@example.com' ) and (apistatus = 'Success' ) and (apiaction not > in ('LRN','finder','ManuallySelect' ) ) and (appname not in ('Mobile > Connect Developer Portal (Int(', 'MinskHBM', 'LondonHBM', 'SeoulHBM', > 'MumbaiHBM', 'NVirginiaHBM','SPauloHBM', 'Mobile Connect HeartBeat > Monitor', 'PDMAOpenSDKTest1', 'PDMAOpenSDKTest2', 'PDMASDKTest', > 'APIHealth', 'A1qaDemoApp','test', 'dublin o2o test tool', 'Test from John > do not provision' ) ) and (serorgid = 'aircel' )) GROUP BY > serorgid,appname,time_unit ORDER BY time_unit DESC LIMIT 14400 OFFSET 0; I look forward to hearing from you. Best Regards,